<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avtar_box">
        <img src="../assets/logo.png" />
      </div>
      <el-form
        ref="loginFormRef"
        :model="loginForm"
        :rules="loginFormRules"
        class="login_form"
      >
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-input
            v-model="loginForm.password"
            show-password
            prefix-icon="iconfont icon-lock-fill"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button
          ><el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
import { login } from '../api/user'

export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '111111'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 5,
            max: 20,
            message: '长度在 5 到 20 个字符',
            trigger: 'blur'
          }
        ]
        // pass: [{ validator: validatePass, trigger: 'blur' }],
      }
    }
  },
  methods: {
    resetLoginForm() {
      // 重置为默认值，而不是空
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) {
          return
        }
        // 异构赋值，取出对象中的data属性并重命名为res
        // const { data: res } = await this.$http.post('/dev-api/api/user/login', this.loginForm)
        // const { data: res } = await login(this.loginForm)
        const res = await login(this.loginForm)
        if (res && res.code === 20000) {
          window.sessionStorage.setItem('token', res.data.token)
          this.$message.success('登录成功')
          this.$router.push('/home')
        } else {
          this.$message.error('登录失败')
        }
      })
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avtar_box {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 1px solid #eee;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
